mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1a265197b5
patch 18
1862 lines
57 KiB
C++
1862 lines
57 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick McManus <mcmanus@ducksong.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsHttp.h"
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#include "SpdySession.h"
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#include "SpdyStream.h"
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#include "nsHttpConnection.h"
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#include "prnetdb.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/Preferences.h"
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#include "prprf.h"
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#ifdef DEBUG
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// defined by the socket transport service while active
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extern PRThread *gSocketThread;
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#endif
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namespace mozilla {
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namespace net {
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// SpdySession has multiple inheritance of things that implement
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// nsISupports, so this magic is taken from nsHttpPipeline that
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// implements some of the same abstract classes.
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NS_IMPL_THREADSAFE_ADDREF(SpdySession)
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NS_IMPL_THREADSAFE_RELEASE(SpdySession)
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NS_INTERFACE_MAP_BEGIN(SpdySession)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsAHttpConnection)
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NS_INTERFACE_MAP_END
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SpdySession::SpdySession(nsAHttpTransaction *aHttpTransaction,
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nsISocketTransport *aSocketTransport,
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PRInt32 firstPriority)
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: mSocketTransport(aSocketTransport),
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mSegmentReader(nsnull),
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mSegmentWriter(nsnull),
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mSendingChunkSize(kSendingChunkSize),
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mNextStreamID(1),
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mConcurrentHighWater(0),
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mDownstreamState(BUFFERING_FRAME_HEADER),
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mPartialFrame(nsnull),
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mFrameBufferSize(kDefaultBufferSize),
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mFrameBufferUsed(0),
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mFrameDataLast(false),
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mFrameDataStream(nsnull),
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mNeedsCleanup(nsnull),
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mDecompressBufferSize(kDefaultBufferSize),
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mDecompressBufferUsed(0),
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mShouldGoAway(false),
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mClosed(false),
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mCleanShutdown(false),
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mGoAwayID(0),
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mMaxConcurrent(kDefaultMaxConcurrent),
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mConcurrent(0),
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mServerPushedResources(0),
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mOutputQueueSize(kDefaultQueueSize),
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mOutputQueueUsed(0),
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mOutputQueueSent(0)
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{
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NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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LOG3(("SpdySession::SpdySession %p transaction 1 = %p",
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this, aHttpTransaction));
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mStreamIDHash.Init();
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mStreamTransactionHash.Init();
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mConnection = aHttpTransaction->Connection();
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mFrameBuffer = new char[mFrameBufferSize];
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mDecompressBuffer = new char[mDecompressBufferSize];
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mOutputQueueBuffer = new char[mOutputQueueSize];
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zlibInit();
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mSendingChunkSize =
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Preferences::GetInt("network.http.spdy.chunk-size", kSendingChunkSize);
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AddStream(aHttpTransaction, firstPriority);
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}
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PLDHashOperator
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SpdySession::Shutdown(nsAHttpTransaction *key,
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nsAutoPtr<SpdyStream> &stream,
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void *closure)
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{
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SpdySession *self = static_cast<SpdySession *>(closure);
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if (self->mCleanShutdown &&
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self->mGoAwayID < stream->StreamID())
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stream->Close(NS_ERROR_NET_RESET); // can be restarted
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else
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stream->Close(NS_ERROR_ABORT);
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return PL_DHASH_NEXT;
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}
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SpdySession::~SpdySession()
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{
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LOG3(("SpdySession::~SpdySession %p", this));
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inflateEnd(&mDownstreamZlib);
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deflateEnd(&mUpstreamZlib);
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mStreamTransactionHash.Enumerate(Shutdown, this);
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Telemetry::Accumulate(Telemetry::SPDY_PARALLEL_STREAMS, mConcurrentHighWater);
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Telemetry::Accumulate(Telemetry::SPDY_TOTAL_STREAMS, (mNextStreamID - 1) / 2);
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Telemetry::Accumulate(Telemetry::SPDY_SERVER_INITIATED_STREAMS,
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mServerPushedResources);
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}
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void
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SpdySession::LogIO(SpdySession *self, SpdyStream *stream, const char *label,
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const char *data, PRUint32 datalen)
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{
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if (!LOG4_ENABLED())
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return;
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LOG4(("SpdySession::LogIO %p stream=%p id=0x%X [%s]",
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self, stream, stream ? stream->StreamID() : 0, label));
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// Max line is (16 * 3) + 10(prefix) + newline + null
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char linebuf[128];
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PRUint32 index;
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char *line = linebuf;
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linebuf[127] = 0;
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for (index = 0; index < datalen; ++index) {
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if (!(index % 16)) {
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if (index) {
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*line = 0;
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LOG4(("%s", linebuf));
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}
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line = linebuf;
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PR_snprintf(line, 128, "%08X: ", index);
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line += 10;
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}
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PR_snprintf(line, 128 - (line - linebuf), "%02X ",
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((unsigned char *)data)[index]);
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line += 3;
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}
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if (index) {
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*line = 0;
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LOG4(("%s", linebuf));
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}
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}
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typedef nsresult (*Control_FX) (SpdySession *self);
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static Control_FX sControlFunctions[] =
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{
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nsnull,
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SpdySession::HandleSynStream,
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SpdySession::HandleSynReply,
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SpdySession::HandleRstStream,
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SpdySession::HandleSettings,
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SpdySession::HandleNoop,
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SpdySession::HandlePing,
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SpdySession::HandleGoAway,
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SpdySession::HandleHeaders,
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SpdySession::HandleWindowUpdate
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};
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bool
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SpdySession::RoomForMoreConcurrent()
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{
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return (mConcurrent < mMaxConcurrent);
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}
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bool
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SpdySession::RoomForMoreStreams()
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{
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if (mNextStreamID + mStreamTransactionHash.Count() * 2 > kMaxStreamID)
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return false;
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return !mShouldGoAway;
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}
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PRUint32
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SpdySession::RegisterStreamID(SpdyStream *stream)
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{
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LOG3(("SpdySession::RegisterStreamID session=%p stream=%p id=0x%X "
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"concurrent=%d",this, stream, mNextStreamID, mConcurrent));
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NS_ABORT_IF_FALSE(mNextStreamID < 0xfffffff0,
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"should have stopped admitting streams");
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PRUint32 result = mNextStreamID;
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mNextStreamID += 2;
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// We've used up plenty of ID's on this session. Start
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// moving to a new one before there is a crunch involving
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// server push streams or concurrent non-registered submits
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if (mNextStreamID >= kMaxStreamID)
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mShouldGoAway = true;
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mStreamIDHash.Put(result, stream);
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return result;
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}
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bool
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SpdySession::AddStream(nsAHttpTransaction *aHttpTransaction,
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PRInt32 aPriority)
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{
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NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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NS_ABORT_IF_FALSE(!mStreamTransactionHash.Get(aHttpTransaction),
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"AddStream duplicate transaction pointer");
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aHttpTransaction->SetConnection(this);
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SpdyStream *stream = new SpdyStream(aHttpTransaction,
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this,
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mSocketTransport,
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mSendingChunkSize,
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&mUpstreamZlib,
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aPriority);
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LOG3(("SpdySession::AddStream session=%p stream=%p NextID=0x%X (tentative)",
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this, stream, mNextStreamID));
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mStreamTransactionHash.Put(aHttpTransaction, stream);
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if (RoomForMoreConcurrent()) {
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LOG3(("SpdySession::AddStream %p stream %p activated immediately.",
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this, stream));
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ActivateStream(stream);
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}
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else {
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LOG3(("SpdySession::AddStream %p stream %p queued.",
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this, stream));
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mQueuedStreams.Push(stream);
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}
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return true;
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}
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void
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SpdySession::ActivateStream(SpdyStream *stream)
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{
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mConcurrent++;
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if (mConcurrent > mConcurrentHighWater)
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mConcurrentHighWater = mConcurrent;
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LOG3(("SpdySession::AddStream %p activating stream %p Currently %d"
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"streams in session, high water mark is %d",
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this, stream, mConcurrent, mConcurrentHighWater));
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mReadyForWrite.Push(stream);
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SetWriteCallbacks(stream->Transaction());
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// Kick off the SYN transmit without waiting for the poll loop
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PRUint32 countRead;
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ReadSegments(nsnull, kDefaultBufferSize, &countRead);
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}
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void
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SpdySession::ProcessPending()
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{
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while (RoomForMoreConcurrent()) {
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SpdyStream *stream = static_cast<SpdyStream *>(mQueuedStreams.PopFront());
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if (!stream)
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return;
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LOG3(("SpdySession::ProcessPending %p stream %p activated from queue.",
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this, stream));
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ActivateStream(stream);
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}
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}
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void
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SpdySession::SetWriteCallbacks(nsAHttpTransaction *aTrans)
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{
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if (mConnection && (WriteQueueSize() || mOutputQueueUsed))
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mConnection->ResumeSend(aTrans);
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}
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void
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SpdySession::FlushOutputQueue()
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{
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if (!mSegmentReader || !mOutputQueueUsed)
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return;
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nsresult rv;
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PRUint32 countRead;
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PRUint32 avail = mOutputQueueUsed - mOutputQueueSent;
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rv = mSegmentReader->
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OnReadSegment(mOutputQueueBuffer.get() + mOutputQueueSent, avail,
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&countRead);
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LOG3(("SpdySession::FlushOutputQueue %p sz=%d rv=%x actual=%d",
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this, avail, rv, countRead));
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// Dont worry about errors on write, we will pick this up as a read error too
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if (NS_FAILED(rv))
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return;
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if (countRead == avail) {
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mOutputQueueUsed = 0;
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mOutputQueueSent = 0;
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return;
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}
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mOutputQueueSent += countRead;
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if (mOutputQueueSize - mOutputQueueUsed < kQueueTailRoom) {
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// The output queue is filling up and we just sent some data out, so
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// this is a good time to rearrange the output queue.
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mOutputQueueUsed -= mOutputQueueSent;
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memmove(mOutputQueueBuffer.get(),
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mOutputQueueBuffer.get() + mOutputQueueSent,
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mOutputQueueUsed);
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mOutputQueueSent = 0;
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}
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}
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void
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SpdySession::DontReuse()
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{
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mShouldGoAway = true;
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if(!mStreamTransactionHash.Count())
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Close(NS_OK);
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}
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PRUint32
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SpdySession::WriteQueueSize()
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{
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NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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PRUint32 count = mUrgentForWrite.GetSize() + mReadyForWrite.GetSize();
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if (mPartialFrame)
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++count;
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return count;
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}
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void
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SpdySession::ChangeDownstreamState(enum stateType newState)
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{
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LOG3(("SpdyStream::ChangeDownstreamState() %p from %X to %X",
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this, mDownstreamState, newState));
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mDownstreamState = newState;
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if (mDownstreamState == BUFFERING_FRAME_HEADER) {
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if (mFrameDataLast && mFrameDataStream) {
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mFrameDataLast = 0;
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if (!mFrameDataStream->RecvdFin()) {
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mFrameDataStream->SetRecvdFin(true);
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--mConcurrent;
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ProcessPending();
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}
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}
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mFrameBufferUsed = 0;
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mFrameDataStream = nsnull;
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}
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return;
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}
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void
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SpdySession::EnsureBuffer(nsAutoArrayPtr<char> &buf,
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PRUint32 newSize,
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PRUint32 preserve,
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PRUint32 &objSize)
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{
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if (objSize >= newSize)
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return;
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objSize = newSize;
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nsAutoArrayPtr<char> tmp(new char[objSize]);
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memcpy (tmp, buf, preserve);
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buf = tmp;
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}
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void
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SpdySession::zlibInit()
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{
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mDownstreamZlib.zalloc = SpdyStream::zlib_allocator;
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mDownstreamZlib.zfree = SpdyStream::zlib_destructor;
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mDownstreamZlib.opaque = Z_NULL;
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inflateInit(&mDownstreamZlib);
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mUpstreamZlib.zalloc = SpdyStream::zlib_allocator;
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mUpstreamZlib.zfree = SpdyStream::zlib_destructor;
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mUpstreamZlib.opaque = Z_NULL;
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deflateInit(&mUpstreamZlib, Z_DEFAULT_COMPRESSION);
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deflateSetDictionary(&mUpstreamZlib,
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reinterpret_cast<const unsigned char *>
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(SpdyStream::kDictionary),
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strlen(SpdyStream::kDictionary) + 1);
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}
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nsresult
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SpdySession::DownstreamUncompress(char *blockStart, PRUint32 blockLen)
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{
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mDecompressBufferUsed = 0;
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mDownstreamZlib.avail_in = blockLen;
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mDownstreamZlib.next_in = reinterpret_cast<unsigned char *>(blockStart);
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do {
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mDownstreamZlib.next_out =
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reinterpret_cast<unsigned char *>(mDecompressBuffer.get()) +
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mDecompressBufferUsed;
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mDownstreamZlib.avail_out = mDecompressBufferSize - mDecompressBufferUsed;
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int zlib_rv = inflate(&mDownstreamZlib, Z_NO_FLUSH);
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if (zlib_rv == Z_NEED_DICT)
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inflateSetDictionary(&mDownstreamZlib,
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reinterpret_cast<const unsigned char *>
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(SpdyStream::kDictionary),
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strlen(SpdyStream::kDictionary) + 1);
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if (zlib_rv == Z_DATA_ERROR || zlib_rv == Z_MEM_ERROR)
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return NS_ERROR_FAILURE;
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mDecompressBufferUsed += mDecompressBufferSize - mDecompressBufferUsed -
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mDownstreamZlib.avail_out;
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// When there is no more output room, but input still available then
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// increase the output space
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if (zlib_rv == Z_OK &&
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!mDownstreamZlib.avail_out && mDownstreamZlib.avail_in) {
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LOG3(("SpdySession::DownstreamUncompress %p Large Headers - so far %d",
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this, mDecompressBufferSize));
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EnsureBuffer(mDecompressBuffer,
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mDecompressBufferSize + 4096,
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mDecompressBufferUsed,
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mDecompressBufferSize);
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}
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}
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while (mDownstreamZlib.avail_in);
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return NS_OK;
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}
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nsresult
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SpdySession::FindHeader(nsCString name,
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nsDependentCSubstring &value)
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{
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const unsigned char *nvpair = reinterpret_cast<unsigned char *>
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(mDecompressBuffer.get()) + 2;
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const unsigned char *lastHeaderByte = reinterpret_cast<unsigned char *>
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(mDecompressBuffer.get()) + mDecompressBufferUsed;
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if (lastHeaderByte < nvpair)
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return NS_ERROR_ILLEGAL_VALUE;
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PRUint16 numPairs =
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PR_ntohs(reinterpret_cast<PRUint16 *>(mDecompressBuffer.get())[0]);
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for (PRUint16 index = 0; index < numPairs; ++index) {
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if (lastHeaderByte < nvpair + 2)
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return NS_ERROR_ILLEGAL_VALUE;
|
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PRUint32 nameLen = (nvpair[0] << 8) + nvpair[1];
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if (lastHeaderByte < nvpair + 2 + nameLen)
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return NS_ERROR_ILLEGAL_VALUE;
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nsDependentCSubstring nameString =
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Substring (reinterpret_cast<const char *>(nvpair) + 2,
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reinterpret_cast<const char *>(nvpair) + 2 + nameLen);
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if (lastHeaderByte < nvpair + 4 + nameLen)
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return NS_ERROR_ILLEGAL_VALUE;
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PRUint16 valueLen = (nvpair[2 + nameLen] << 8) + nvpair[3 + nameLen];
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if (lastHeaderByte < nvpair + 4 + nameLen + valueLen)
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return NS_ERROR_ILLEGAL_VALUE;
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if (nameString.Equals(name)) {
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value.Assign(((char *)nvpair) + 4 + nameLen, valueLen);
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return NS_OK;
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}
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nvpair += 4 + nameLen + valueLen;
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}
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return NS_ERROR_NOT_AVAILABLE;
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}
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nsresult
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SpdySession::ConvertHeaders(nsDependentCSubstring &status,
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nsDependentCSubstring &version)
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{
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mFlatHTTPResponseHeaders.Truncate();
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mFlatHTTPResponseHeadersOut = 0;
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mFlatHTTPResponseHeaders.SetCapacity(mDecompressBufferUsed + 64);
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|
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// Connection, Keep-Alive and chunked transfer encodings are to be
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|
// removed.
|
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|
|
// Content-Length is 'advisory'.. we will not strip it because it can
|
|
// create UI feedback.
|
|
|
|
mFlatHTTPResponseHeaders.Append(version);
|
|
mFlatHTTPResponseHeaders.Append(NS_LITERAL_CSTRING(" "));
|
|
mFlatHTTPResponseHeaders.Append(status);
|
|
mFlatHTTPResponseHeaders.Append(NS_LITERAL_CSTRING("\r\n"));
|
|
|
|
const unsigned char *nvpair = reinterpret_cast<unsigned char *>
|
|
(mDecompressBuffer.get()) + 2;
|
|
const unsigned char *lastHeaderByte = reinterpret_cast<unsigned char *>
|
|
(mDecompressBuffer.get()) + mDecompressBufferUsed;
|
|
|
|
if (lastHeaderByte < nvpair)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
PRUint16 numPairs =
|
|
PR_ntohs(reinterpret_cast<PRUint16 *>(mDecompressBuffer.get())[0]);
|
|
|
|
for (PRUint16 index = 0; index < numPairs; ++index) {
|
|
if (lastHeaderByte < nvpair + 2)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
PRUint32 nameLen = (nvpair[0] << 8) + nvpair[1];
|
|
if (lastHeaderByte < nvpair + 2 + nameLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
nsDependentCSubstring nameString =
|
|
Substring (reinterpret_cast<const char *>(nvpair) + 2,
|
|
reinterpret_cast<const char *>(nvpair) + 2 + nameLen);
|
|
|
|
// a null in the name string is particularly wrong because it will
|
|
// break the fix-up-nulls-in-value-string algorithm.
|
|
if (nameString.FindChar(0) != -1)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
if (lastHeaderByte < nvpair + 4 + nameLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
PRUint16 valueLen = (nvpair[2 + nameLen] << 8) + nvpair[3 + nameLen];
|
|
if (lastHeaderByte < nvpair + 4 + nameLen + valueLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
// Look for upper case characters in the name. They are illegal.
|
|
for (char *cPtr = nameString.BeginWriting();
|
|
cPtr && cPtr < nameString.EndWriting();
|
|
++cPtr) {
|
|
if (*cPtr <= 'Z' && *cPtr >= 'A') {
|
|
nsCString toLog(nameString);
|
|
|
|
LOG3(("SpdySession::ConvertHeaders session=%p stream=%p "
|
|
"upper case response header found. [%s]\n",
|
|
this, mFrameDataStream, toLog.get()));
|
|
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
}
|
|
|
|
// HTTP Chunked responses are not legal over spdy. We do not need
|
|
// to look for chunked specifically because it is the only HTTP
|
|
// allowed default encoding and we did not negotiate further encodings
|
|
// via TE
|
|
if (nameString.Equals(NS_LITERAL_CSTRING("transfer-encoding"))) {
|
|
LOG3(("SpdySession::ConvertHeaders session=%p stream=%p "
|
|
"transfer-encoding found. Chunked is invalid and no TE sent.",
|
|
this, mFrameDataStream));
|
|
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
if (!nameString.Equals(NS_LITERAL_CSTRING("version")) &&
|
|
!nameString.Equals(NS_LITERAL_CSTRING("status")) &&
|
|
!nameString.Equals(NS_LITERAL_CSTRING("connection")) &&
|
|
!nameString.Equals(NS_LITERAL_CSTRING("keep-alive"))) {
|
|
nsDependentCSubstring valueString =
|
|
Substring (reinterpret_cast<const char *>(nvpair) + 4 + nameLen,
|
|
reinterpret_cast<const char *>(nvpair) + 4 + nameLen +
|
|
valueLen);
|
|
|
|
mFlatHTTPResponseHeaders.Append(nameString);
|
|
mFlatHTTPResponseHeaders.Append(NS_LITERAL_CSTRING(": "));
|
|
|
|
PRInt32 valueIndex;
|
|
// NULLs are really "\r\nhdr: "
|
|
while ((valueIndex = valueString.FindChar(0)) != -1) {
|
|
nsCString replacement = NS_LITERAL_CSTRING("\r\n");
|
|
replacement.Append(nameString);
|
|
replacement.Append(NS_LITERAL_CSTRING(": "));
|
|
valueString.Replace(valueIndex, 1, replacement);
|
|
}
|
|
|
|
mFlatHTTPResponseHeaders.Append(valueString);
|
|
mFlatHTTPResponseHeaders.Append(NS_LITERAL_CSTRING("\r\n"));
|
|
}
|
|
nvpair += 4 + nameLen + valueLen;
|
|
}
|
|
|
|
mFlatHTTPResponseHeaders.Append(
|
|
NS_LITERAL_CSTRING("X-Firefox-Spdy: 1\r\n\r\n"));
|
|
LOG (("decoded response headers are:\n%s",
|
|
mFlatHTTPResponseHeaders.get()));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
SpdySession::GeneratePing(PRUint32 aID)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
LOG3(("SpdySession::GeneratePing %p 0x%X\n", this, aID));
|
|
|
|
EnsureBuffer(mOutputQueueBuffer, mOutputQueueUsed + 12,
|
|
mOutputQueueUsed, mOutputQueueSize);
|
|
char *packet = mOutputQueueBuffer.get() + mOutputQueueUsed;
|
|
mOutputQueueUsed += 12;
|
|
|
|
packet[0] = kFlag_Control;
|
|
packet[1] = 2; /* version 2 */
|
|
packet[2] = 0;
|
|
packet[3] = CONTROL_TYPE_PING;
|
|
packet[4] = 0; /* flags */
|
|
packet[5] = 0;
|
|
packet[6] = 0;
|
|
packet[7] = 4; /* length */
|
|
|
|
aID = PR_htonl(aID);
|
|
memcpy (packet + 8, &aID, 4);
|
|
|
|
FlushOutputQueue();
|
|
}
|
|
|
|
void
|
|
SpdySession::GenerateRstStream(PRUint32 aStatusCode, PRUint32 aID)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
LOG3(("SpdySession::GenerateRst %p 0x%X %d\n", this, aID, aStatusCode));
|
|
|
|
EnsureBuffer(mOutputQueueBuffer, mOutputQueueUsed + 16,
|
|
mOutputQueueUsed, mOutputQueueSize);
|
|
char *packet = mOutputQueueBuffer.get() + mOutputQueueUsed;
|
|
mOutputQueueUsed += 16;
|
|
|
|
packet[0] = kFlag_Control;
|
|
packet[1] = 2; /* version 2 */
|
|
packet[2] = 0;
|
|
packet[3] = CONTROL_TYPE_RST_STREAM;
|
|
packet[4] = 0; /* flags */
|
|
packet[5] = 0;
|
|
packet[6] = 0;
|
|
packet[7] = 8; /* length */
|
|
|
|
aID = PR_htonl(aID);
|
|
memcpy (packet + 8, &aID, 4);
|
|
aStatusCode = PR_htonl(aStatusCode);
|
|
memcpy (packet + 12, &aStatusCode, 4);
|
|
|
|
FlushOutputQueue();
|
|
}
|
|
|
|
void
|
|
SpdySession::GenerateGoAway()
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
LOG3(("SpdySession::GenerateGoAway %p\n", this));
|
|
|
|
EnsureBuffer(mOutputQueueBuffer, mOutputQueueUsed + 12,
|
|
mOutputQueueUsed, mOutputQueueSize);
|
|
char *packet = mOutputQueueBuffer.get() + mOutputQueueUsed;
|
|
mOutputQueueUsed += 12;
|
|
|
|
memset (packet, 0, 12);
|
|
packet[0] = kFlag_Control;
|
|
packet[1] = 2; /* version 2 */
|
|
packet[3] = CONTROL_TYPE_GOAWAY;
|
|
packet[7] = 4; /* data length */
|
|
|
|
// last-good-stream-id are bytes 8-11, when we accept server push this will
|
|
// need to be set non zero
|
|
|
|
FlushOutputQueue();
|
|
}
|
|
|
|
void
|
|
SpdySession::CleanupStream(SpdyStream *aStream, nsresult aResult)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
LOG3(("SpdySession::CleanupStream %p %p 0x%x %X\n",
|
|
this, aStream, aStream->StreamID(), aResult));
|
|
|
|
nsresult abortCode = NS_OK;
|
|
|
|
if (!aStream->RecvdFin() && aStream->StreamID()) {
|
|
LOG3(("Stream had not processed recv FIN, sending RST"));
|
|
GenerateRstStream(RST_CANCEL, aStream->StreamID());
|
|
--mConcurrent;
|
|
ProcessPending();
|
|
}
|
|
|
|
// Check if partial frame writer
|
|
if (mPartialFrame == aStream) {
|
|
LOG3(("Stream had active partial write frame - need to abort session"));
|
|
abortCode = aResult;
|
|
if (NS_SUCCEEDED(abortCode))
|
|
abortCode = NS_ERROR_ABORT;
|
|
|
|
mPartialFrame = nsnull;
|
|
}
|
|
|
|
// Check if partial frame reader
|
|
if (aStream == mFrameDataStream) {
|
|
LOG3(("Stream had active partial read frame on close"));
|
|
ChangeDownstreamState(DISCARD_DATA_FRAME);
|
|
mFrameDataStream = nsnull;
|
|
}
|
|
|
|
// check the streams blocked on write, this is linear but the list
|
|
// should be pretty short.
|
|
PRUint32 size = mReadyForWrite.GetSize();
|
|
for (PRUint32 count = 0; count < size; ++count) {
|
|
SpdyStream *stream = static_cast<SpdyStream *>(mReadyForWrite.PopFront());
|
|
if (stream != aStream)
|
|
mReadyForWrite.Push(stream);
|
|
}
|
|
|
|
// Check the streams blocked on urgent (i.e. window update) writing.
|
|
// This should also be short.
|
|
size = mUrgentForWrite.GetSize();
|
|
for (PRUint32 count = 0; count < size; ++count) {
|
|
SpdyStream *stream = static_cast<SpdyStream *>(mUrgentForWrite.PopFront());
|
|
if (stream != aStream)
|
|
mUrgentForWrite.Push(stream);
|
|
}
|
|
|
|
// Remove the stream from the ID hash table. (this one isn't short, which is
|
|
// why it is hashed.)
|
|
mStreamIDHash.Remove(aStream->StreamID());
|
|
|
|
// Send the stream the close() indication
|
|
aStream->Close(aResult);
|
|
|
|
// removing from the stream transaction hash will
|
|
// delete the SpdyStream and drop the reference to
|
|
// its transaction
|
|
mStreamTransactionHash.Remove(aStream->Transaction());
|
|
|
|
if (NS_FAILED(abortCode))
|
|
Close(abortCode);
|
|
else if (mShouldGoAway && !mStreamTransactionHash.Count())
|
|
Close(NS_OK);
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleSynStream(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_SYN_STREAM,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize < 12) {
|
|
LOG3(("SpdySession::HandleSynStream %p SYN_STREAM too short data=%d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
PRUint32 streamID =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[2]);
|
|
|
|
LOG3(("SpdySession::HandleSynStream %p recv SYN_STREAM (push) for ID 0x%X.",
|
|
self, streamID));
|
|
|
|
if (streamID & 0x01) { // test for odd stream ID
|
|
LOG3(("SpdySession::HandleSynStream %p recvd SYN_STREAM id must be even.",
|
|
self));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
++(self->mServerPushedResources);
|
|
|
|
// Anytime we start using the high bit of stream ID (either client or server)
|
|
// begin to migrate to a new session.
|
|
if (streamID >= kMaxStreamID)
|
|
self->mShouldGoAway = true;
|
|
|
|
// todo populate cache. For now, just reject server push p3
|
|
self->GenerateRstStream(RST_REFUSED_STREAM, streamID);
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleSynReply(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_SYN_REPLY,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize < 8) {
|
|
LOG3(("SpdySession::HandleSynReply %p SYN REPLY too short data=%d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
PRUint32 streamID =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[2]);
|
|
self->mFrameDataStream = self->mStreamIDHash.Get(streamID);
|
|
if (!self->mFrameDataStream) {
|
|
LOG3(("SpdySession::HandleSynReply %p lookup streamID in syn_reply "
|
|
"0x%X failed. NextStreamID = 0x%x", self, streamID,
|
|
self->mNextStreamID));
|
|
if (streamID >= self->mNextStreamID)
|
|
self->GenerateRstStream(RST_INVALID_STREAM, streamID);
|
|
|
|
// It is likely that this is a reply to a stream ID that has been canceled.
|
|
// For the most part we would like to ignore it, but the header needs to be
|
|
// be parsed to keep the compression context synchronized
|
|
self->DownstreamUncompress(self->mFrameBuffer + 14,
|
|
self->mFrameDataSize - 6);
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!self->mFrameDataStream->SetFullyOpen()) {
|
|
// "If an endpoint receives multiple SYN_REPLY frames for the same active
|
|
// stream ID, it must drop the stream, and send a RST_STREAM for the
|
|
// stream with the error PROTOCOL_ERROR."
|
|
//
|
|
// In addition to that we abort the session - this is a serious protocol
|
|
// violation.
|
|
|
|
self->GenerateRstStream(RST_PROTOCOL_ERROR, streamID);
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
self->mFrameDataLast = self->mFrameBuffer[4] & kFlag_Data_FIN;
|
|
|
|
if (self->mFrameBuffer[4] & kFlag_Data_UNI) {
|
|
LOG3(("SynReply had unidirectional flag set on it - nonsensical"));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
LOG3(("SpdySession::HandleSynReply %p SYN_REPLY for 0x%X fin=%d",
|
|
self, streamID, self->mFrameDataLast));
|
|
|
|
// The spdystream needs to see flattened http headers
|
|
// The Frame Buffer currently holds the complete SYN_REPLY
|
|
// frame. The interesting data is at offset 14, where the
|
|
// compressed name/value header block lives.
|
|
// We unpack that into the mDecompressBuffer - we can't do
|
|
// it streamed because the version and status information
|
|
// is not guaranteed to be first. This is then finally
|
|
// converted to HTTP format in mFlatHTTPResponseHeaders
|
|
|
|
nsresult rv = self->DownstreamUncompress(self->mFrameBuffer + 14,
|
|
self->mFrameDataSize - 6);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
Telemetry::Accumulate(Telemetry::SPDY_SYN_REPLY_SIZE,
|
|
self->mFrameDataSize - 6);
|
|
PRUint32 ratio =
|
|
(self->mFrameDataSize - 6) * 100 / self->mDecompressBufferUsed;
|
|
Telemetry::Accumulate(Telemetry::SPDY_SYN_REPLY_RATIO, ratio);
|
|
|
|
// status and version are required.
|
|
nsDependentCSubstring status, version;
|
|
rv = self->FindHeader(NS_LITERAL_CSTRING("status"), status);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = self->FindHeader(NS_LITERAL_CSTRING("version"), version);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = self->ConvertHeaders(status, version);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
self->ChangeDownstreamState(PROCESSING_CONTROL_SYN_REPLY);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleRstStream(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_RST_STREAM,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize != 8) {
|
|
LOG3(("SpdySession::HandleRstStream %p RST_STREAM wrong length data=%d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
PRUint32 streamID =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[2]);
|
|
|
|
self->mDownstreamRstReason =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[3]);
|
|
|
|
LOG3(("SpdySession::HandleRstStream %p RST_STREAM Reason Code %u ID %x",
|
|
self, self->mDownstreamRstReason, streamID));
|
|
|
|
if (self->mDownstreamRstReason == RST_INVALID_STREAM ||
|
|
self->mDownstreamRstReason == RST_FLOW_CONTROL_ERROR) {
|
|
// basically just ignore this
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
self->mFrameDataStream = self->mStreamIDHash.Get(streamID);
|
|
if (!self->mFrameDataStream) {
|
|
LOG3(("SpdySession::HandleRstStream %p lookup streamID for RST Frame "
|
|
"0x%X failed", self, streamID));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
self->ChangeDownstreamState(PROCESSING_CONTROL_RST_STREAM);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleSettings(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_SETTINGS,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize < 4) {
|
|
LOG3(("SpdySession::HandleSettings %p SETTINGS wrong length data=%d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
PRUint32 numEntries =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[2]);
|
|
|
|
// Ensure frame is large enough for supplied number of entries
|
|
// Each entry is 8 bytes, frame data is reduced by 4 to account for
|
|
// the NumEntries value.
|
|
if ((self->mFrameDataSize - 4) < (numEntries * 8)) {
|
|
LOG3(("SpdySession::HandleSettings %p SETTINGS wrong length data=%d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
LOG3(("SpdySession::HandleSettings %p SETTINGS Control Frame with %d entries",
|
|
self, numEntries));
|
|
|
|
for (PRUint32 index = 0; index < numEntries; ++index) {
|
|
// To clarify the v2 spec:
|
|
// Each entry is a 24 bits of a little endian id
|
|
// followed by 8 bits of flags
|
|
// followed by a 32 bit big endian value
|
|
|
|
unsigned char *setting = reinterpret_cast<unsigned char *>
|
|
(self->mFrameBuffer.get()) + 12 + index * 8;
|
|
|
|
PRUint32 id = (setting[2] << 16) + (setting[1] << 8) + setting[0];
|
|
PRUint32 flags = setting[3];
|
|
PRUint32 value = PR_ntohl(reinterpret_cast<PRUint32 *>(setting)[1]);
|
|
|
|
LOG3(("Settings ID %d, Flags %X, Value %d", id, flags, value));
|
|
|
|
switch (id)
|
|
{
|
|
case SETTINGS_TYPE_UPLOAD_BW:
|
|
Telemetry::Accumulate(Telemetry::SPDY_SETTINGS_UL_BW, value);
|
|
break;
|
|
|
|
case SETTINGS_TYPE_DOWNLOAD_BW:
|
|
Telemetry::Accumulate(Telemetry::SPDY_SETTINGS_DL_BW, value);
|
|
break;
|
|
|
|
case SETTINGS_TYPE_RTT:
|
|
Telemetry::Accumulate(Telemetry::SPDY_SETTINGS_RTT, value);
|
|
break;
|
|
|
|
case SETTINGS_TYPE_MAX_CONCURRENT:
|
|
self->mMaxConcurrent = value;
|
|
Telemetry::Accumulate(Telemetry::SPDY_SETTINGS_MAX_STREAMS, value);
|
|
break;
|
|
|
|
case SETTINGS_TYPE_CWND:
|
|
Telemetry::Accumulate(Telemetry::SPDY_SETTINGS_CWND, value);
|
|
break;
|
|
|
|
case SETTINGS_TYPE_DOWNLOAD_RETRANS_RATE:
|
|
Telemetry::Accumulate(Telemetry::SPDY_SETTINGS_RETRANS, value);
|
|
break;
|
|
|
|
case SETTINGS_TYPE_INITIAL_WINDOW:
|
|
Telemetry::Accumulate(Telemetry::SPDY_SETTINGS_IW, value >> 10);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleNoop(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_NOOP,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize != 0) {
|
|
LOG3(("SpdySession::HandleNoop %p NOP had data %d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
LOG3(("SpdySession::HandleNoop %p NOP.", self));
|
|
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandlePing(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_PING,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize != 4) {
|
|
LOG3(("SpdySession::HandlePing %p PING had wrong amount of data %d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
PRUint32 pingID =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[2]);
|
|
|
|
LOG3(("SpdySession::HandlePing %p PING ID 0x%X.", self, pingID));
|
|
|
|
if (pingID & 0x01) {
|
|
// We never expect to see an odd PING beacuse we never generate PING.
|
|
// The spec mandates ignoring this
|
|
LOG3(("SpdySession::HandlePing %p PING ID from server was odd.",
|
|
self));
|
|
}
|
|
else {
|
|
self->GeneratePing(pingID);
|
|
}
|
|
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleGoAway(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_GOAWAY,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize != 4) {
|
|
LOG3(("SpdySession::HandleGoAway %p GOAWAY had wrong amount of data %d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
self->mShouldGoAway = true;
|
|
self->mGoAwayID =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[2]);
|
|
self->mCleanShutdown = true;
|
|
|
|
LOG3(("SpdySession::HandleGoAway %p GOAWAY Last-Good-ID 0x%X.",
|
|
self, self->mGoAwayID));
|
|
self->ResumeRecv(self);
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleHeaders(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_HEADERS,
|
|
"wrong control type");
|
|
|
|
if (self->mFrameDataSize < 10) {
|
|
LOG3(("SpdySession::HandleHeaders %p HEADERS had wrong amount of data %d",
|
|
self, self->mFrameDataSize));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
PRUint32 streamID =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(self->mFrameBuffer.get())[2]);
|
|
|
|
// this is actually not legal in the HTTP mapping of SPDY. All
|
|
// headers are in the syn or syn reply. Log and ignore it.
|
|
|
|
LOG3(("SpdySession::HandleHeaders %p HEADERS for Stream 0x%X. "
|
|
"They are ignored in the HTTP/SPDY mapping.",
|
|
self, streamID));
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::HandleWindowUpdate(SpdySession *self)
|
|
{
|
|
NS_ABORT_IF_FALSE(self->mFrameControlType == CONTROL_TYPE_WINDOW_UPDATE,
|
|
"wrong control type");
|
|
LOG3(("SpdySession::HandleWindowUpdate %p WINDOW UPDATE was "
|
|
"received. WINDOW UPDATE is no longer defined in v2. Ignoring.",
|
|
self));
|
|
|
|
self->ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
// Used for the hashtable enumeration to propogate OnTransportStatus events
|
|
struct transportStatus
|
|
{
|
|
nsITransport *transport;
|
|
nsresult status;
|
|
PRUint64 progress;
|
|
};
|
|
|
|
static PLDHashOperator
|
|
StreamTransportStatus(nsAHttpTransaction *key,
|
|
nsAutoPtr<SpdyStream> &stream,
|
|
void *closure)
|
|
{
|
|
struct transportStatus *status =
|
|
static_cast<struct transportStatus *>(closure);
|
|
|
|
stream->Transaction()->OnTransportStatus(status->transport,
|
|
status->status,
|
|
status->progress);
|
|
return PL_DHASH_NEXT;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsAHttpTransaction. It is expected that nsHttpConnection is the caller
|
|
// of these methods
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void
|
|
SpdySession::OnTransportStatus(nsITransport* aTransport,
|
|
nsresult aStatus,
|
|
PRUint64 aProgress)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
|
|
// nsHttpChannel synthesizes progress events in OnDataAvailable
|
|
if (aStatus == nsISocketTransport::STATUS_RECEIVING_FROM)
|
|
return;
|
|
|
|
// STATUS_SENDING_TO is handled by SpdyStream
|
|
if (aStatus == nsISocketTransport::STATUS_SENDING_TO)
|
|
return;
|
|
|
|
struct transportStatus status;
|
|
|
|
status.transport = aTransport;
|
|
status.status = aStatus;
|
|
status.progress = aProgress;
|
|
|
|
mStreamTransactionHash.Enumerate(StreamTransportStatus, &status);
|
|
}
|
|
|
|
// ReadSegments() is used to write data to the network. Generally, HTTP
|
|
// request data is pulled from the approriate transaction and
|
|
// converted to SPDY data. Sometimes control data like window-update are
|
|
// generated instead.
|
|
|
|
nsresult
|
|
SpdySession::ReadSegments(nsAHttpSegmentReader *reader,
|
|
PRUint32 count,
|
|
PRUint32 *countRead)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
|
|
nsresult rv;
|
|
*countRead = 0;
|
|
|
|
// First priority goes to frames that were writing to the network but were
|
|
// blocked part way through. Then to frames that have no streams (e.g ping
|
|
// reply) and then third to streams marked urgent (generally they have
|
|
// window updates), and finally to streams generally
|
|
// ready to send data frames (http requests).
|
|
|
|
LOG3(("SpdySession::ReadSegments %p partial frame stream=%p",
|
|
this, mPartialFrame));
|
|
|
|
SpdyStream *stream = mPartialFrame;
|
|
mPartialFrame = nsnull;
|
|
|
|
if (!stream)
|
|
stream = static_cast<SpdyStream *>(mUrgentForWrite.PopFront());
|
|
if (!stream)
|
|
stream = static_cast<SpdyStream *>(mReadyForWrite.PopFront());
|
|
if (!stream) {
|
|
LOG3(("SpdySession %p could not identify a stream to write; suspending.",
|
|
this));
|
|
FlushOutputQueue();
|
|
SetWriteCallbacks(nsnull);
|
|
return NS_BASE_STREAM_WOULD_BLOCK;
|
|
}
|
|
|
|
LOG3(("SpdySession %p will write from SpdyStream %p", this, stream));
|
|
|
|
NS_ABORT_IF_FALSE(!mSegmentReader || !reader || (mSegmentReader == reader),
|
|
"Inconsistent Write Function Callback");
|
|
|
|
if (reader)
|
|
mSegmentReader = reader;
|
|
rv = stream->ReadSegments(this, count, countRead);
|
|
|
|
FlushOutputQueue();
|
|
|
|
if (stream->BlockedOnWrite()) {
|
|
|
|
// We are writing a frame out, but it is blocked on the output stream.
|
|
// Make sure to service that stream next write because we can only
|
|
// multiplex between complete frames.
|
|
|
|
LOG3(("SpdySession::ReadSegments %p dealing with block on write", this));
|
|
|
|
NS_ABORT_IF_FALSE(!mPartialFrame, "partial frame should be empty");
|
|
|
|
mPartialFrame = stream;
|
|
SetWriteCallbacks(stream->Transaction());
|
|
return rv;
|
|
}
|
|
|
|
if (stream->RequestBlockedOnRead()) {
|
|
|
|
// We are blocked waiting for input - either more http headers or
|
|
// any request body data. When more data from the request stream
|
|
// becomes available the httptransaction will call conn->ResumeSend().
|
|
|
|
LOG3(("SpdySession::ReadSegments %p dealing with block on read", this));
|
|
|
|
// call readsegments again if there are other streams ready
|
|
// to run in this session
|
|
if (WriteQueueSize())
|
|
rv = NS_OK;
|
|
else
|
|
rv = NS_BASE_STREAM_WOULD_BLOCK;
|
|
SetWriteCallbacks(stream->Transaction());
|
|
return rv;
|
|
}
|
|
|
|
NS_ABORT_IF_FALSE(rv != NS_BASE_STREAM_WOULD_BLOCK,
|
|
"Stream Would Block inconsistency");
|
|
|
|
if (NS_FAILED(rv)) {
|
|
LOG3(("SpdySession::ReadSegments %p returning FAIL code %X",
|
|
this, rv));
|
|
return rv;
|
|
}
|
|
|
|
if (*countRead > 0) {
|
|
LOG3(("SpdySession::ReadSegments %p stream=%p generated end of frame %d",
|
|
this, stream, *countRead));
|
|
mReadyForWrite.Push(stream);
|
|
SetWriteCallbacks(stream->Transaction());
|
|
return rv;
|
|
}
|
|
|
|
LOG3(("SpdySession::ReadSegments %p stream=%p stream send complete",
|
|
this, stream));
|
|
|
|
// in normal http this is done by nshttpconnection, but that class does not
|
|
// know which http transaction has made this state transition.
|
|
stream->Transaction()->
|
|
OnTransportStatus(mSocketTransport, nsISocketTransport::STATUS_WAITING_FOR,
|
|
LL_ZERO);
|
|
/* we now want to recv data */
|
|
mConnection->ResumeRecv(stream->Transaction());
|
|
|
|
// call readsegments again if there are other streams ready
|
|
// to go in this session
|
|
SetWriteCallbacks(stream->Transaction());
|
|
|
|
return rv;
|
|
}
|
|
|
|
// WriteSegments() is used to read data off the socket. Generally this is
|
|
// just the SPDY frame header and from there the appropriate SPDYStream
|
|
// is identified from the Stream-ID. The http transaction associated with
|
|
// that read then pulls in the data directly, which it will feed to
|
|
// OnWriteSegment(). That function will gateway it into http and feed
|
|
// it to the appropriate transaction.
|
|
|
|
// we call writer->OnWriteSegment to get a spdy header.. and decide if it is
|
|
// data or control.. if it is control, just deal with it.
|
|
// if it is data, identify the spdy stream
|
|
// call stream->WriteSegemnts which can call this::OnWriteSegment to get the
|
|
// data. It always gets full frames if they are part of the stream
|
|
|
|
nsresult
|
|
SpdySession::WriteSegments(nsAHttpSegmentWriter *writer,
|
|
PRUint32 count,
|
|
PRUint32 *countWritten)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
|
|
nsresult rv;
|
|
*countWritten = 0;
|
|
|
|
if (mClosed)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
SetWriteCallbacks(nsnull);
|
|
|
|
// We buffer all control frames and act on them in this layer.
|
|
// We buffer the first 8 bytes of data frames (the header) but
|
|
// the actual data is passed through unprocessed.
|
|
|
|
if (mDownstreamState == BUFFERING_FRAME_HEADER) {
|
|
// The first 8 bytes of every frame is header information that
|
|
// we are going to want to strip before passing to http. That is
|
|
// true of both control and data packets.
|
|
|
|
NS_ABORT_IF_FALSE(mFrameBufferUsed < 8,
|
|
"Frame Buffer Used Too Large for State");
|
|
|
|
rv = writer->OnWriteSegment(mFrameBuffer + mFrameBufferUsed,
|
|
8 - mFrameBufferUsed,
|
|
countWritten);
|
|
if (NS_FAILED(rv)) {
|
|
if (rv == NS_BASE_STREAM_WOULD_BLOCK) {
|
|
ResumeRecv(nsnull);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
LogIO(this, nsnull, "Reading Frame Header",
|
|
mFrameBuffer + mFrameBufferUsed, *countWritten);
|
|
|
|
mFrameBufferUsed += *countWritten;
|
|
|
|
if (mFrameBufferUsed < 8)
|
|
{
|
|
LOG3(("SpdySession::WriteSegments %p "
|
|
"BUFFERING FRAME HEADER incomplete size=%d",
|
|
this, mFrameBufferUsed));
|
|
return rv;
|
|
}
|
|
|
|
// For both control and data frames the second 32 bit word of the header
|
|
// is 8-flags, 24-length. (network byte order)
|
|
mFrameDataSize =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(mFrameBuffer.get())[1]);
|
|
mFrameDataSize &= 0x00ffffff;
|
|
mFrameDataRead = 0;
|
|
|
|
if (mFrameBuffer[0] & kFlag_Control) {
|
|
EnsureBuffer(mFrameBuffer, mFrameDataSize + 8, 8, mFrameBufferSize);
|
|
ChangeDownstreamState(BUFFERING_CONTROL_FRAME);
|
|
|
|
// The first 32 bit word of the header is
|
|
// 1 ctrl - 15 version - 16 type
|
|
PRUint16 version =
|
|
PR_ntohs(reinterpret_cast<PRUint16 *>(mFrameBuffer.get())[0]);
|
|
version &= 0x7fff;
|
|
|
|
mFrameControlType =
|
|
PR_ntohs(reinterpret_cast<PRUint16 *>(mFrameBuffer.get())[1]);
|
|
|
|
LOG3(("SpdySession::WriteSegments %p - Control Frame Identified "
|
|
"type %d version %d data len %d",
|
|
this, mFrameControlType, version, mFrameDataSize));
|
|
|
|
if (mFrameControlType >= CONTROL_TYPE_LAST ||
|
|
mFrameControlType <= CONTROL_TYPE_FIRST)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
// The protocol document says this value must be 1 even though this
|
|
// is known as version 2.. Testing interop indicates that is a typo
|
|
// in the protocol document
|
|
if (version != 2) {
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
}
|
|
else {
|
|
ChangeDownstreamState(PROCESSING_DATA_FRAME);
|
|
|
|
PRUint32 streamID =
|
|
PR_ntohl(reinterpret_cast<PRUint32 *>(mFrameBuffer.get())[0]);
|
|
mFrameDataStream = mStreamIDHash.Get(streamID);
|
|
if (!mFrameDataStream) {
|
|
LOG3(("SpdySession::WriteSegments %p lookup streamID 0x%X failed. "
|
|
"Next = 0x%x", this, streamID, mNextStreamID));
|
|
if (streamID >= mNextStreamID)
|
|
GenerateRstStream(RST_INVALID_STREAM, streamID);
|
|
ChangeDownstreamState(DISCARD_DATA_FRAME);
|
|
}
|
|
mFrameDataLast = (mFrameBuffer[4] & kFlag_Data_FIN);
|
|
Telemetry::Accumulate(Telemetry::SPDY_CHUNK_RECVD, mFrameDataSize >> 10);
|
|
LOG3(("Start Processing Data Frame. "
|
|
"Session=%p Stream ID 0x%x Stream Ptr %p Fin=%d Len=%d",
|
|
this, streamID, mFrameDataStream, mFrameDataLast, mFrameDataSize));
|
|
|
|
if (mFrameBuffer[4] & kFlag_Data_ZLIB) {
|
|
LOG3(("Data flag has ZLIB flag set which is not valid >=2 spdy"));
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mDownstreamState == PROCESSING_CONTROL_RST_STREAM) {
|
|
if (mDownstreamRstReason == RST_REFUSED_STREAM)
|
|
rv = NS_ERROR_NET_RESET; //we can retry this 100% safely
|
|
else if (mDownstreamRstReason == RST_CANCEL ||
|
|
mDownstreamRstReason == RST_PROTOCOL_ERROR ||
|
|
mDownstreamRstReason == RST_INTERNAL_ERROR ||
|
|
mDownstreamRstReason == RST_UNSUPPORTED_VERSION)
|
|
rv = NS_ERROR_NET_INTERRUPT;
|
|
else
|
|
rv = NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
if (mDownstreamRstReason != RST_REFUSED_STREAM &&
|
|
mDownstreamRstReason != RST_CANCEL)
|
|
mShouldGoAway = true;
|
|
|
|
// mFrameDataStream is reset by ChangeDownstreamState
|
|
SpdyStream *stream = mFrameDataStream;
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
CleanupStream(stream, rv);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mDownstreamState == PROCESSING_DATA_FRAME ||
|
|
mDownstreamState == PROCESSING_CONTROL_SYN_REPLY) {
|
|
|
|
mSegmentWriter = writer;
|
|
rv = mFrameDataStream->WriteSegments(this, count, countWritten);
|
|
mSegmentWriter = nsnull;
|
|
|
|
if (rv == NS_BASE_STREAM_CLOSED) {
|
|
// This will happen when the transaction figures out it is EOF, generally
|
|
// due to a content-length match being made
|
|
SpdyStream *stream = mFrameDataStream;
|
|
if (mFrameDataRead == mFrameDataSize)
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
CleanupStream(stream, NS_OK);
|
|
NS_ABORT_IF_FALSE(!mNeedsCleanup, "double cleanup out of data frame");
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mNeedsCleanup) {
|
|
CleanupStream(mNeedsCleanup, NS_OK);
|
|
mNeedsCleanup = nsnull;
|
|
}
|
|
|
|
// In v3 this is where we would generate a window update
|
|
|
|
return rv;
|
|
}
|
|
|
|
if (mDownstreamState == DISCARD_DATA_FRAME) {
|
|
char trash[4096];
|
|
PRUint32 count = NS_MIN(4096U, mFrameDataSize - mFrameDataRead);
|
|
|
|
if (!count) {
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
*countWritten = 1;
|
|
return NS_OK;
|
|
}
|
|
|
|
rv = writer->OnWriteSegment(trash, count, countWritten);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
// maybe just blocked reading from network
|
|
ResumeRecv(nsnull);
|
|
return rv;
|
|
}
|
|
|
|
LogIO(this, nsnull, "Discarding Frame", trash, *countWritten);
|
|
|
|
mFrameDataRead += *countWritten;
|
|
|
|
if (mFrameDataRead == mFrameDataSize)
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return rv;
|
|
}
|
|
|
|
NS_ABORT_IF_FALSE(mDownstreamState == BUFFERING_CONTROL_FRAME,
|
|
"Not in Bufering Control Frame State");
|
|
NS_ABORT_IF_FALSE(mFrameBufferUsed == 8,
|
|
"Frame Buffer Header Not Present");
|
|
|
|
rv = writer->OnWriteSegment(mFrameBuffer + 8 + mFrameDataRead,
|
|
mFrameDataSize - mFrameDataRead,
|
|
countWritten);
|
|
if (NS_FAILED(rv)) {
|
|
// maybe just blocked reading from network
|
|
ResumeRecv(nsnull);
|
|
return rv;
|
|
}
|
|
|
|
LogIO(this, nsnull, "Reading Control Frame",
|
|
mFrameBuffer + 8 + mFrameDataRead, *countWritten);
|
|
|
|
mFrameDataRead += *countWritten;
|
|
|
|
if (mFrameDataRead != mFrameDataSize)
|
|
return NS_OK;
|
|
|
|
rv = sControlFunctions[mFrameControlType](this);
|
|
|
|
NS_ABORT_IF_FALSE(NS_FAILED(rv) ||
|
|
mDownstreamState != BUFFERING_CONTROL_FRAME,
|
|
"Control Handler returned OK but did not change state");
|
|
|
|
if (mShouldGoAway && !mStreamTransactionHash.Count())
|
|
Close(NS_OK);
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
SpdySession::Close(nsresult aReason)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
|
|
if (mClosed)
|
|
return;
|
|
|
|
LOG3(("SpdySession::Close %p %X", this, aReason));
|
|
|
|
mClosed = true;
|
|
mStreamTransactionHash.Enumerate(Shutdown, this);
|
|
GenerateGoAway();
|
|
mConnection = nsnull;
|
|
}
|
|
|
|
void
|
|
SpdySession::CloseTransaction(nsAHttpTransaction *aTransaction,
|
|
nsresult aResult)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
LOG3(("SpdySession::CloseTransaction %p %p %x", this, aTransaction, aResult));
|
|
|
|
// Generally this arrives as a cancel event from the connection manager.
|
|
|
|
// need to find the stream and call CleanupStream() on it.
|
|
SpdyStream *stream = mStreamTransactionHash.Get(aTransaction);
|
|
if (!stream) {
|
|
LOG3(("SpdySession::CloseTransaction %p %p %x - not found.",
|
|
this, aTransaction, aResult));
|
|
return;
|
|
}
|
|
LOG3(("SpdySession::CloseTranscation probably a cancel. "
|
|
"this=%p, trans=%p, result=%x, streamID=0x%X stream=%p",
|
|
this, aTransaction, aResult, stream->StreamID(), stream));
|
|
CleanupStream(stream, aResult);
|
|
ResumeRecv(this);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsAHttpSegmentReader
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsresult
|
|
SpdySession::OnReadSegment(const char *buf,
|
|
PRUint32 count,
|
|
PRUint32 *countRead)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
|
|
nsresult rv;
|
|
|
|
if (!mOutputQueueUsed && mSegmentReader) {
|
|
|
|
// try and write directly without output queue
|
|
rv = mSegmentReader->OnReadSegment(buf, count, countRead);
|
|
if (NS_SUCCEEDED(rv) || (rv != NS_BASE_STREAM_WOULD_BLOCK))
|
|
return rv;
|
|
}
|
|
|
|
if (mOutputQueueUsed + count > mOutputQueueSize)
|
|
FlushOutputQueue();
|
|
|
|
if (mOutputQueueUsed + count > mOutputQueueSize)
|
|
count = mOutputQueueSize - mOutputQueueUsed;
|
|
|
|
if (!count)
|
|
return NS_BASE_STREAM_WOULD_BLOCK;
|
|
|
|
memcpy(mOutputQueueBuffer.get() + mOutputQueueUsed, buf, count);
|
|
mOutputQueueUsed += count;
|
|
*countRead = count;
|
|
|
|
FlushOutputQueue();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsAHttpSegmentWriter
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsresult
|
|
SpdySession::OnWriteSegment(char *buf,
|
|
PRUint32 count,
|
|
PRUint32 *countWritten)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
NS_ABORT_IF_FALSE(mSegmentWriter, "OnWriteSegment with null mSegmentWriter");
|
|
nsresult rv;
|
|
|
|
if (mDownstreamState == PROCESSING_DATA_FRAME) {
|
|
|
|
if (mFrameDataLast &&
|
|
mFrameDataRead == mFrameDataSize) {
|
|
// This will result in Close() being called
|
|
mNeedsCleanup = mFrameDataStream;
|
|
|
|
LOG3(("SpdySession::OnWriteSegment %p - recorded downstream fin of "
|
|
"stream %p 0x%X", this, mFrameDataStream,
|
|
mFrameDataStream->StreamID()));
|
|
*countWritten = 0;
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_BASE_STREAM_CLOSED;
|
|
}
|
|
|
|
count = NS_MIN(count, mFrameDataSize - mFrameDataRead);
|
|
rv = mSegmentWriter->OnWriteSegment(buf, count, countWritten);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
LogIO(this, mFrameDataStream, "Reading Data Frame", buf, *countWritten);
|
|
|
|
mFrameDataRead += *countWritten;
|
|
|
|
if ((mFrameDataRead == mFrameDataSize) && !mFrameDataLast)
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
|
|
return rv;
|
|
}
|
|
|
|
if (mDownstreamState == PROCESSING_CONTROL_SYN_REPLY) {
|
|
|
|
if (mFlatHTTPResponseHeaders.Length() == mFlatHTTPResponseHeadersOut &&
|
|
mFrameDataLast) {
|
|
*countWritten = 0;
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_BASE_STREAM_CLOSED;
|
|
}
|
|
|
|
count = NS_MIN(count,
|
|
mFlatHTTPResponseHeaders.Length() -
|
|
mFlatHTTPResponseHeadersOut);
|
|
memcpy(buf,
|
|
mFlatHTTPResponseHeaders.get() + mFlatHTTPResponseHeadersOut,
|
|
count);
|
|
mFlatHTTPResponseHeadersOut += count;
|
|
*countWritten = count;
|
|
|
|
if (mFlatHTTPResponseHeaders.Length() == mFlatHTTPResponseHeadersOut &&
|
|
!mFrameDataLast)
|
|
ChangeDownstreamState(BUFFERING_FRAME_HEADER);
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Modified methods of nsAHttpConnection
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsresult
|
|
SpdySession::ResumeSend(nsAHttpTransaction *caller)
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
LOG3(("SpdySession::ResumeSend %p caller=%p", this, caller));
|
|
|
|
// a trapped signal from the http transaction to the connection that
|
|
// it is no longer blocked on read.
|
|
|
|
if (!mConnection)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
SpdyStream *stream = mStreamTransactionHash.Get(caller);
|
|
if (stream)
|
|
mReadyForWrite.Push(stream);
|
|
else
|
|
LOG3(("SpdySession::ResumeSend %p caller %p not found", this, caller));
|
|
|
|
return mConnection->ResumeSend(caller);
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::ResumeRecv(nsAHttpTransaction *caller)
|
|
{
|
|
if (!mConnection)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return mConnection->ResumeRecv(caller);
|
|
}
|
|
|
|
bool
|
|
SpdySession::IsPersistent()
|
|
{
|
|
return PR_TRUE;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::TakeTransport(nsISocketTransport **,
|
|
nsIAsyncInputStream **,
|
|
nsIAsyncOutputStream **)
|
|
{
|
|
NS_ABORT_IF_FALSE(false, "TakeTransport of SpdySession");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
nsHttpConnection *
|
|
SpdySession::TakeHttpConnection()
|
|
{
|
|
NS_ABORT_IF_FALSE(false, "TakeHttpConnection of SpdySession");
|
|
return nsnull;
|
|
}
|
|
|
|
nsISocketTransport *
|
|
SpdySession::Transport()
|
|
{
|
|
if (!mConnection)
|
|
return nsnull;
|
|
return mConnection->Transport();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// unused methods of nsAHttpTransaction
|
|
// We can be sure of this because SpdySession is only constructed in
|
|
// nsHttpConnection and is never passed out of that object
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void
|
|
SpdySession::SetConnection(nsAHttpConnection *)
|
|
{
|
|
// This is unexpected
|
|
NS_ABORT_IF_FALSE(false, "SpdySession::SetConnection()");
|
|
}
|
|
|
|
void
|
|
SpdySession::GetSecurityCallbacks(nsIInterfaceRequestor **,
|
|
nsIEventTarget **)
|
|
{
|
|
// This is unexpected
|
|
NS_ABORT_IF_FALSE(false, "SpdySession::GetSecurityCallbacks()");
|
|
}
|
|
|
|
void
|
|
SpdySession::SetSSLConnectFailed()
|
|
{
|
|
NS_ABORT_IF_FALSE(false, "SpdySession::SetSSLConnectFailed()");
|
|
}
|
|
|
|
bool
|
|
SpdySession::IsDone()
|
|
{
|
|
NS_ABORT_IF_FALSE(false, "SpdySession::IsDone()");
|
|
return PR_FALSE;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::Status()
|
|
{
|
|
NS_ABORT_IF_FALSE(false, "SpdySession::Status()");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
PRUint32
|
|
SpdySession::Available()
|
|
{
|
|
NS_ABORT_IF_FALSE(false, "SpdySession::Available()");
|
|
return 0;
|
|
}
|
|
|
|
nsHttpRequestHead *
|
|
SpdySession::RequestHead()
|
|
{
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
NS_ABORT_IF_FALSE(false,
|
|
"SpdySession::RequestHead() "
|
|
"should not be called after SPDY is setup");
|
|
return NULL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Pass through methods of nsAHttpConnection
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsAHttpConnection *
|
|
SpdySession::Connection()
|
|
{
|
|
NS_ASSERTION(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
return mConnection;
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::OnHeadersAvailable(nsAHttpTransaction *transaction,
|
|
nsHttpRequestHead *requestHead,
|
|
nsHttpResponseHead *responseHead,
|
|
bool *reset)
|
|
{
|
|
return mConnection->OnHeadersAvailable(transaction,
|
|
requestHead,
|
|
responseHead,
|
|
reset);
|
|
}
|
|
|
|
void
|
|
SpdySession::GetConnectionInfo(nsHttpConnectionInfo **connInfo)
|
|
{
|
|
mConnection->GetConnectionInfo(connInfo);
|
|
}
|
|
|
|
void
|
|
SpdySession::GetSecurityInfo(nsISupports **supports)
|
|
{
|
|
mConnection->GetSecurityInfo(supports);
|
|
}
|
|
|
|
bool
|
|
SpdySession::IsReused()
|
|
{
|
|
return mConnection->IsReused();
|
|
}
|
|
|
|
nsresult
|
|
SpdySession::PushBack(const char *buf, PRUint32 len)
|
|
{
|
|
return mConnection->PushBack(buf, len);
|
|
}
|
|
|
|
bool
|
|
SpdySession::LastTransactionExpectedNoContent()
|
|
{
|
|
return mConnection->LastTransactionExpectedNoContent();
|
|
}
|
|
|
|
void
|
|
SpdySession::SetLastTransactionExpectedNoContent(bool val)
|
|
{
|
|
mConnection->SetLastTransactionExpectedNoContent(val);
|
|
}
|
|
|
|
} // namespace mozilla::net
|
|
} // namespace mozilla
|
|
|